Please make sure that JavaScript is enabled in your browser. If you are using a browser extension to selectively enable or disable JavaScript, make sure it's enabled for this server.
Describe your changes (optional):
Review Request #2178 — Created Jan. 6, 2023 and submitted Jan. 6, 2023, 4:37 a.m. — Latest diff uploaded Jan. 6, 2023, 3:44 a.m.
Simplify hash tables used as sets
Compiled and ran tests.
